Olivia Voldaren

a Vampire attacks — 484 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren attacks:

1. Glass-Cast Heart — makes a token
2. Sanctum Seeker — makes each opponent lose 1 life

a nontoken Vampire attacks — 484 cards in the game can cause this (Olivia Voldaren is one).

1. Mavren Fein, Dusk Apostle — When Olivia Voldaren attacks, Mavren Fein, Dusk Apostle makes a token

a Vampire creature is cast — 484 cards in the game can cause this (Olivia Voldaren is one).

1. Bloodlord of Vaasgoth — When Olivia Voldaren is cast, Bloodlord of Vaasgoth grants bloodthirst

a Vampire deals combat damage — 484 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren deals combat damage:

1. Rakish Heir — puts a counter on a permanent
2. Stensia Masquerade — puts a counter on a permanent

a Vampire enters the battlefield — 500 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren enters:

1. Anje, Maid of Dishonor — makes a token
2. Forerunner of the Legion — gives +1/+1
3. Markov Enforcer — deals damage
4. Evelyn, the Covetous — exiles a card from a library

a creature gets a counter — 2,691 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren gets a counter:

1. Hollowmurk Siege — draws you 1 card
2. Ant-Man, Colony Commander — makes a token
3. Earth Kingdom General — gains you that much life
4. Casey Jones, Back Alley Brute — deals that much damage
5. Generous Patron — draws you 1 card
6. Shalai and Hallar — deals that much damage
7. Danny Pink — draws you 1 card
8. Enduring Scalelord — puts a +1/+1 counter on itself
9. Bold Plagiarist — puts counters on a permanent
10. Mikey & Leo, Chaos & Order — draws you 1 card

33 other cards care about it too. These are the ones with the most connections.

anything deals noncombat damage — 3,068 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Ghyrson Starn, Kelermorph — deals 2 damage
6. Chandra's Incinerator — deals that much damage
7. Chandra's Pyreling — gets +1/+0
8. Talon of Pain — puts a charge counter on itself
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

36 other cards care about it too. These are the ones with the most connections.

anything gets a counter — 4,415 cards in the game can cause this (Olivia Voldaren is one).

1. All Will Be One — When Olivia Voldaren gets a counter, All Will Be One deals that much damage

8 other cards care about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

113 other cards care about it too. These are the ones with the most connections.

a creature attacks — 17,934 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren attacks:

1. Anthem of Rakdos — gives +2/+0
2. Adaptive Omnitool — searches a library
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Saw — sacrifices a creature

184 other cards care about it too. These are the ones with the most connections.

a creature blocks — 17,934 cards in the game can cause this (Olivia Voldaren is one).

1. Tide of War — When Olivia Voldaren blocks, Tide of War sacrifices a creature

27 other cards care about it too. These are the ones with the most connections.

a creature is dealt damage — 18,923 cards in the game can cause this (Olivia Voldaren is one).

1. Soul Link — When a creature is dealt damage thanks to Olivia Voldaren, Soul Link gains you that much life

26 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Olivia Voldaren is one).

When Olivia Voldaren enters:

1. Scurry Oak — puts a counter on itself
2. Fathom Mage — puts a counter on itself
3. Lonis, Genetics Expert — puts a counter on itself
4. Slash, Reptile Rampager — deals 2 damage
5. Gimli of the Glittering Caves — puts counters on a permanent
6. Ray Fillet, Wave Warrior — puts a counter on itself
7. Legolas Greenleaf — puts a counter on a permanent
8. The Neutrinos — gets +1/+0
9. Aetherstorm Roc — puts a counter on a permanent you control
10. Raphael, Most Attitude — exiles a card from your library

305 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Olivia Voldaren is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Olivia Voldaren enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

44 other cards care about it too. These are the ones with the most connections.